gitweb.cgi

   1 #!/usr/bin/perl
   2
   3 # gitweb - simple web interface to track changes in git repositories
   4 #
   5 # (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
   6 # (C) 2005, Christian Gierke <ch@gierke.de>
   7 #
   8 # This program is licensed under the GPLv2
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML -nosticky);
  13 use CGI::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Encode;
  16 use Fcntl ':mode';
  17 binmode STDOUT, ':utf8';
  18
  19 my $cgi = new CGI;
  20 my $version =           "254";
  21 my $my_url =            $cgi->url();
  22 my $my_uri =            $cgi->url(-absolute => 1);
  23 my $rss_link =          "";
  24
  25 # absolute fs-path which will be prepended to the project path
  26 #my $projectroot =      "/pub/scm";
  27 my $projectroot =       "/home/kay/public_html/pub/scm";
  28
  29 # location of the git-core binaries
  30 my $gitbin =            "/usr/bin";
  31
  32 # location for temporary files needed for diffs
  33 my $git_temp =          "/tmp/gitweb";
  34
  35 # target of the home link on top of all pages
  36 my $home_link =         $my_uri;
  37
  38 # html text to include at home page
  39 my $home_text =         "indextext.html";
  40
  41 # source of projects list
  42 #my $projects_list =    $projectroot;
  43 my $projects_list =     "index/index.aux";
  44
  45 # input validation and dispatch
  46 my $action = $cgi->param('a');
  47 if (defined $action) {
  48         if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
  49                 undef $action;
  50                 die_error(undef, "Invalid action parameter.");
  51         }
  52         if ($action eq "git-logo.png") {
  53                 git_logo();
  54                 exit;
  55         } elsif ($action eq "opml") {
  56                 git_opml();
  57                 exit;
  58         }
  59 }
  60
  61 my $order = $cgi->param('o');
  62 if (defined $order) {
  63         if ($order =~ m/[^0-9a-zA-Z_]/) {
  64                 undef $order;
  65                 die_error(undef, "Invalid order parameter.");
  66         }
  67 }
  68
  69 my $project = $cgi->param('p');
  70 if (defined $project) {
  71         $project = validate_input($project);
  72         if (!defined($project)) {
  73                 die_error(undef, "Invalid project parameter.");
  74         }
  75         if (!(-d "$projectroot/$project")) {
  76                 undef $project;
  77                 die_error(undef, "No such directory.");
  78         }
  79         if (!(-e "$projectroot/$project/HEAD")) {
  80                 undef $project;
  81                 die_error(undef, "No such project.");
  82         }
  83         $rss_link = "<link rel=\"alternate\" title=\"" . esc_url($project) . " log\" href=\"" .
  84                     esc_url("$my_uri?p=$project;a=rss") . "\" type=\"application/rss+xml\"/>";
  85         $ENV{'GIT_DIR'} = "$projectroot/$project";
  86 } else {
  87         git_project_list();
  88         exit;
  89 }
  90
  91 my $file_name = $cgi->param('f');
  92 if (defined $file_name) {
  93         $file_name = validate_input($file_name);
  94         if (!defined($file_name)) {
  95                 die_error(undef, "Invalid file parameter.");
  96         }
  97 }
  98
  99 my $hash = $cgi->param('h');
 100 if (defined $hash) {
 101         $hash = validate_input($hash);
 102         if (!defined($hash)) {
 103                 die_error(undef, "Invalid hash parameter.");
 104         }
 105 }
 106
 107 my $hash_parent = $cgi->param('hp');
 108 if (defined $hash_parent) {
 109         $hash_parent = validate_input($hash_parent);
 110         if (!defined($hash_parent)) {
 111                 die_error(undef, "Invalid hash parent parameter.");
 112         }
 113 }
 114
 115 my $hash_base = $cgi->param('hb');
 116 if (defined $hash_base) {
 117         $hash_base = validate_input($hash_base);
 118         if (!defined($hash_base)) {
 119                 die_error(undef, "Invalid hash base parameter.");
 120         }
 121 }
 122
 123 my $page = $cgi->param('pg');
 124 if (defined $page) {
 125         if ($page =~ m/[^0-9]$/) {
 126                 undef $page;
 127                 die_error(undef, "Invalid page parameter.");
 128         }
 129 }
 130
 131 my $searchtext = $cgi->param('s');
 132 if (defined $searchtext) {
 133         if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 134                 undef $searchtext;
 135                 die_error(undef, "Invalid search parameter.");
 136         }
 137         $searchtext = quotemeta $searchtext;
 138 }
 139
 140 sub validate_input {
 141         my $input = shift;
 142
 143         if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 144                 return $input;
 145         }
 146         if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 147                 return undef;
 148         }
 149         if ($input =~ m/[^a-zA-Z0-9_ \.\/\-\+\#\~]/) {
 150                 return undef;
 151         }
 152         return $input;
 153 }
 154
 155 if (!defined $action || $action eq "summary") {
 156         git_summary();
 157         exit;
 158 } elsif ($action eq "heads") {
 159         git_heads();
 160         exit;
 161 } elsif ($action eq "tags") {
 162         git_tags();
 163         exit;
 164 } elsif ($action eq "blob") {
 165         git_blob();
 166         exit;
 167 } elsif ($action eq "blob_plain") {
 168         git_blob_plain();
 169         exit;
 170 } elsif ($action eq "tree") {
 171         git_tree();
 172         exit;
 173 } elsif ($action eq "rss") {
 174         git_rss();
 175         exit;
 176 } elsif ($action eq "commit") {
 177         git_commit();
 178         exit;
 179 } elsif ($action eq "log") {
 180         git_log();
 181         exit;
 182 } elsif ($action eq "blobdiff") {
 183         git_blobdiff();
 184         exit;
 185 } elsif ($action eq "blobdiff_plain") {
 186         git_blobdiff_plain();
 187         exit;
 188 } elsif ($action eq "commitdiff") {
 189         git_commitdiff();
 190         exit;
 191 } elsif ($action eq "commitdiff_plain") {
 192         git_commitdiff_plain();
 193         exit;
 194 } elsif ($action eq "history") {
 195         git_history();
 196         exit;
 197 } elsif ($action eq "search") {
 198         git_search();
 199         exit;
 200 } elsif ($action eq "shortlog") {
 201         git_shortlog();
 202         exit;
 203 } elsif ($action eq "tag") {
 204         git_tag();
 205         exit;
 206 } else {
 207         undef $action;
 208         die_error(undef, "Unknown action.");
 209         exit;
 210 }
 211
 212 sub esc_url {
 213         my $str = shift;
 214         $str =~ s/\+/%2B/g;
 215         $str =~ s/ /\+/g;
 216         return $str;
 217 }
 218
 219 sub esc_html {
 220         my $str = shift;
 221         $str = decode("utf8", $str, Encode::FB_DEFAULT);
 222         $str = escapeHTML($str);
 223         return $str;
 224 }
 225
 226 sub git_header_html {
 227         my $status = shift || "200 OK";
 228         my $expires = shift;
 229
 230         my $title = "git";
 231         if (defined $project) {
 232                 $title .= " - $project";
 233                 if (defined $action) {
 234                         $title .= "/$action";
 235                 }
 236         }
 237         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status, -expires => $expires);
 238         print <<EOF;
 239 <?xml version="1.0" encoding="utf-8"?>
 240 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 241 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 242 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 243 <head>
 244 <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 245 <meta name="robots" content="index, nofollow"/>
 246 <title>$title</title>
 247 $rss_link
 248 <style type="text/css">
 249 body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
 250 a { color:#0000cc; }
 251 a:hover, a:visited, a:active { color:#880000; }
 252 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 253 div.page_header a:visited, a.header { color:#0000cc; }
 254 div.page_header a:hover { color:#880000; }
 255 div.page_nav { padding:8px; }
 256 div.page_nav a:visited { color:#0000cc; }
 257 div.page_path { padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 258 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 259 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 260 div.page_body { padding:8px; }
 261 div.title, a.title {
 262         display:block; padding:6px 8px;
 263         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 264 }
 265 a.title:hover { background-color: #d9d8d1; }
 266 div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 267 div.log_body { padding:8px 8px 8px 150px; }
 268 span.age { position:relative; float:left; width:142px; font-style:italic; }
 269 div.log_link {
 270         padding:0px 8px;
 271         font-size:10px; font-family:sans-serif; font-style:normal;
 272         position:relative; float:left; width:136px;
 273 }
 274 div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
 275 a.list { text-decoration:none; color:#000000; }
 276 a.list:hover { text-decoration:underline; color:#880000; }
 277 a.text { text-decoration:none; color:#0000cc; }
 278 a.text:visited { text-decoration:none; color:#880000; }
 279 a.text:hover { text-decoration:underline; color:#880000; }
 280 table { padding:8px 4px; }
 281 th { padding:2px 5px; font-size:12px; text-align:left; }
 282 tr.light:hover { background-color:#edece6; }
 283 tr.dark { background-color:#f6f6f0; }
 284 tr.dark:hover { background-color:#edece6; }
 285 td { padding:2px 5px; font-size:12px; vertical-align:top; }
 286 td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
 287 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 288 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 289 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 290 div.search { margin:4px 8px; position:absolute; top:56px; right:12px }
 291 a.linenr { color:#999999; text-decoration:none }
 292 a.rss_logo {
 293         float:right; padding:3px 0px; width:35px; line-height:10px;
 294         border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 295         color:#ffffff; background-color:#ff6600;
 296         font-weight:bold; font-family:sans-serif; font-size:10px;
 297         text-align:center; text-decoration:none;
 298 }
 299 a.rss_logo:hover { background-color:#ee5500; }
 300 </style>
 301 </head>
 302 <body>
 303 EOF
 304         print "<div class=\"page_header\">\n" .
 305               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 306               "<img src=\"" . esc_url("$my_uri?a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 307               "</a>\n";
 308         print $cgi->a({-href => esc_url($home_link)}, "projects") . " / ";
 309         if (defined $project) {
 310                 print $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, esc_html($project));
 311                 if (defined $action) {
 312                         print " / $action";
 313                 }
 314                 print "\n";
 315                 if (!defined $searchtext) {
 316                         $searchtext = "";
 317                 }
 318                 my $search_hash;
 319                 if (defined $hash) {
 320                         $search_hash = $hash;
 321                 } else {
 322                         $search_hash  = "HEAD";
 323                 }
 324                 $cgi->param("a", "search");
 325                 $cgi->param("h", $search_hash);
 326                 print $cgi->startform(-method => "get", -action => $my_uri) .
 327                       "<div class=\"search\">\n" .
 328                       $cgi->hidden(-name => "p") . "\n" .
 329                       $cgi->hidden(-name => "a") . "\n" .
 330                       $cgi->hidden(-name => "h") . "\n" .
 331                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 332                       "</div>" .
 333                       $cgi->end_form() . "\n";
 334         }
 335         print "</div>\n";
 336 }
 337
 338 sub git_footer_html {
 339         print "<div class=\"page_footer\">\n";
 340         if (defined $project) {
 341                 my $descr = git_read_description($project);
 342                 if (defined $descr) {
 343                         print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 344                 }
 345                 print $cgi->a({-href => esc_url("$my_uri?p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 346         } else {
 347                 print $cgi->a({-href => esc_url("$my_uri?a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 348         }
 349         print "</div>\n" .
 350               "</body>\n" .
 351               "</html>";
 352 }
 353
 354 sub die_error {
 355         my $status = shift || "403 Forbidden";
 356         my $error = shift || "Malformed query, file missing or permission denied";
 357
 358         git_header_html($status);
 359         print "<div class=\"page_body\">\n" .
 360               "<br/><br/>\n" .
 361               "$status - $error\n" .
 362               "<br/>\n" .
 363               "</div>\n";
 364         git_footer_html();
 365         exit;
 366 }
 367
 368 sub git_get_type {
 369         my $hash = shift;
 370
 371         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 372         my $type = <$fd>;
 373         close $fd or return;
 374         chomp $type;
 375         return $type;
 376 }
 377
 378 sub git_read_hash {
 379         my $path = shift;
 380
 381         open my $fd, "$projectroot/$path" or return undef;
 382         my $head = <$fd>;
 383         close $fd;
 384         chomp $head;
 385         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 386                 return $head;
 387         }
 388 }
 389
 390 sub git_read_description {
 391         my $path = shift;
 392
 393         open my $fd, "$projectroot/$path/description" or return undef;
 394         my $descr = <$fd>;
 395         close $fd;
 396         chomp $descr;
 397         return $descr;
 398 }
 399
 400 sub git_read_tag {
 401         my $tag_id = shift;
 402         my %tag;
 403         my @comment;
 404
 405         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 406         $tag{'id'} = $tag_id;
 407         while (my $line = <$fd>) {
 408                 chomp $line;
 409                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 410                         $tag{'object'} = $1;
 411                 } elsif ($line =~ m/^type (.+)$/) {
 412                         $tag{'type'} = $1;
 413                 } elsif ($line =~ m/^tag (.+)$/) {
 414                         $tag{'name'} = $1;
 415                 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 416                         $tag{'author'} = $1;
 417                         $tag{'epoch'} = $2;
 418                         $tag{'tz'} = $3;
 419                 } elsif ($line =~ m/--BEGIN/) {
 420                         push @comment, $line;
 421                         last;
 422                 } elsif ($line eq "") {
 423                         last;
 424                 }
 425         }
 426         push @comment, <$fd>;
 427         $tag{'comment'} = \@comment;
 428         close $fd or return;
 429         if (!defined $tag{'name'}) {
 430                 return
 431         };
 432         return %tag
 433 }
 434
 435 sub age_string {
 436         my $age = shift;
 437         my $age_str;
 438
 439         if ($age > 60*60*24*365*2) {
 440                 $age_str = (int $age/60/60/24/365);
 441                 $age_str .= " years ago";
 442         } elsif ($age > 60*60*24*(365/12)*2) {
 443                 $age_str = int $age/60/60/24/(365/12);
 444                 $age_str .= " months ago";
 445         } elsif ($age > 60*60*24*7*2) {
 446                 $age_str = int $age/60/60/24/7;
 447                 $age_str .= " weeks ago";
 448         } elsif ($age > 60*60*24*2) {
 449                 $age_str = int $age/60/60/24;
 450                 $age_str .= " days ago";
 451         } elsif ($age > 60*60*2) {
 452                 $age_str = int $age/60/60;
 453                 $age_str .= " hours ago";
 454         } elsif ($age > 60*2) {
 455                 $age_str = int $age/60;
 456                 $age_str .= " min ago";
 457         } elsif ($age > 2) {
 458                 $age_str = int $age;
 459                 $age_str .= " sec ago";
 460         } else {
 461                 $age_str .= " right now";
 462         }
 463         return $age_str;
 464 }
 465
 466 sub git_read_commit {
 467         my $commit_id = shift;
 468         my $commit_text = shift;
 469
 470         my @commit_lines;
 471         my %co;
 472
 473         if (defined $commit_text) {
 474                 @commit_lines = @$commit_text;
 475         } else {
 476                 $/ = "\0";
 477                 open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
 478                 @commit_lines = split '\n', <$fd>;
 479                 close $fd or return;
 480                 $/ = "\n";
 481                 pop @commit_lines;
 482         }
 483         my $header = shift @commit_lines;
 484         if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 485                 return;
 486         }
 487         ($co{'id'}, my @parents) = split ' ', $header;
 488         $co{'parents'} = \@parents;
 489         $co{'parent'} = $parents[0];
 490         while (my $line = shift @commit_lines) {
 491                 last if $line eq "\n";
 492                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 493                         $co{'tree'} = $1;
 494                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 495                         $co{'author'} = $1;
 496                         $co{'author_epoch'} = $2;
 497                         $co{'author_tz'} = $3;
 498                         if ($co{'author'} =~ m/^([^<]+) </) {
 499                                 $co{'author_name'} = $1;
 500                         } else {
 501                                 $co{'author_name'} = $co{'author'};
 502                         }
 503                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 504                         $co{'committer'} = $1;
 505                         $co{'committer_epoch'} = $2;
 506                         $co{'committer_tz'} = $3;
 507                         $co{'committer_name'} = $co{'committer'};
 508                         $co{'committer_name'} =~ s/ <.*//;
 509                 }
 510         }
 511         if (!defined $co{'tree'}) {
 512                 return;
 513         };
 514
 515         foreach my $title (@commit_lines) {
 516                 if ($title ne "") {
 517                         $co{'title'} = chop_str($title, 80, 5);
 518                         # remove leading stuff of merges to make the interesting part visible
 519                         if (length($title) > 50) {
 520                                 $title =~ s/^Automatic //;
 521                                 $title =~ s/^merge (of|with) /Merge ... /i;
 522                                 if (length($title) > 50) {
 523                                         $title =~ s/(http|rsync):\/\///;
 524                                 }
 525                                 if (length($title) > 50) {
 526                                         $title =~ s/(master|www|rsync)\.//;
 527                                 }
 528                                 if (length($title) > 50) {
 529                                         $title =~ s/kernel.org:?//;
 530                                 }
 531                                 if (length($title) > 50) {
 532                                         $title =~ s/\/pub\/scm//;
 533                                 }
 534                         }
 535                         $co{'title_short'} = chop_str($title, 50, 5);
 536                         last;
 537                 }
 538         }
 539         # remove added spaces
 540         foreach my $line (@commit_lines) {
 541                 $line =~ s/^    //;
 542         }
 543         $co{'comment'} = \@commit_lines;
 544
 545         my $age = time - $co{'committer_epoch'};
 546         $co{'age'} = $age;
 547         $co{'age_string'} = age_string($age);
 548         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 549         if ($age > 60*60*24*7*2) {
 550                 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 551                 $co{'age_string_age'} = $co{'age_string'};
 552         } else {
 553                 $co{'age_string_date'} = $co{'age_string'};
 554                 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 555         }
 556         return %co;
 557 }
 558
 559 sub git_diff_print {
 560         my $from = shift;
 561         my $from_name = shift;
 562         my $to = shift;
 563         my $to_name = shift;
 564         my $format = shift || "html";
 565
 566         my $from_tmp = "/dev/null";
 567         my $to_tmp = "/dev/null";
 568         my $pid = $$;
 569
 570         # create tmp from-file
 571         if (defined $from) {
 572                 $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 573                 open my $fd2, "> $from_tmp";
 574                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 575                 my @file = <$fd>;
 576                 print $fd2 @file;
 577                 close $fd2;
 578                 close $fd;
 579         }
 580
 581         # create tmp to-file
 582         if (defined $to) {
 583                 $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 584                 open my $fd2, "> $to_tmp";
 585                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 586                 my @file = <$fd>;
 587                 print $fd2 @file;
 588                 close $fd2;
 589                 close $fd;
 590         }
 591
 592         open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
 593         if ($format eq "plain") {
 594                 undef $/;
 595                 print <$fd>;
 596                 $/ = "\n";
 597         } else {
 598                 while (my $line = <$fd>) {
 599                         chomp($line);
 600                         my $char = substr($line, 0, 1);
 601                         my $color = "";
 602                         if ($char eq '+') {
 603                                 $color = " style=\"color:#008800;\"";
 604                         } elsif ($char eq "-") {
 605                                 $color = " style=\"color:#cc0000;\"";
 606                         } elsif ($char eq "@") {
 607                                 $color = " style=\"color:#990099;\"";
 608                         } elsif ($char eq "\\") {
 609                                 # skip errors
 610                                 next;
 611                         }
 612                         while ((my $pos = index($line, "\t")) != -1) {
 613                                 if (my $count = (8 - (($pos-1) % 8))) {
 614                                         my $spaces = ' ' x $count;
 615                                         $line =~ s/\t/$spaces/;
 616                                 }
 617                         }
 618                         print "<div class=\"pre\"$color>" . esc_html($line) . "</div>\n";
 619                 }
 620         }
 621         close $fd;
 622
 623         if (defined $from) {
 624                 unlink($from_tmp);
 625         }
 626         if (defined $to) {
 627                 unlink($to_tmp);
 628         }
 629 }
 630
 631 sub mode_str {
 632         my $mode = oct shift;
 633
 634         if (S_ISDIR($mode & S_IFMT)) {
 635                 return 'drwxr-xr-x';
 636         } elsif (S_ISLNK($mode)) {
 637                 return 'lrwxrwxrwx';
 638         } elsif (S_ISREG($mode)) {
 639                 # git cares only about the executable bit
 640                 if ($mode & S_IXUSR) {
 641                         return '-rwxr-xr-x';
 642                 } else {
 643                         return '-rw-r--r--';
 644                 };
 645         } else {
 646                 return '----------';
 647         }
 648 }
 649
 650 sub chop_str {
 651         my $str = shift;
 652         my $len = shift;
 653         my $add_len = shift || 10;
 654
 655         # allow only $len chars, but don't cut a word if it would fit in $add_len
 656         # if it doesn't fit, cut it if it's still longer than the dots we would add
 657         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 658         my $body = $1;
 659         my $tail = $2;
 660         if (length($tail) > 4) {
 661                 $tail = " ...";
 662         }
 663         return "$body$tail";
 664 }
 665
 666 sub file_type {
 667         my $mode = oct shift;
 668
 669         if (S_ISDIR($mode & S_IFMT)) {
 670                 return "directory";
 671         } elsif (S_ISLNK($mode)) {
 672                 return "symlink";
 673         } elsif (S_ISREG($mode)) {
 674                 return "file";
 675         } else {
 676                 return "unknown";
 677         }
 678 }
 679
 680 sub format_log_line_html {
 681         my $line = shift;
 682
 683         $line = esc_html($line);
 684         $line =~ s/ /&nbsp;/g;
 685         if ($line =~ m/([0-9a-fA-F]{40})/) {
 686                 my $hash_text = $1;
 687                 if (git_get_type($hash_text) eq "commit") {
 688                         my $link = $cgi->a({-class => "text", -href => esc_url("$my_uri?p=$project;a=commit;h=$hash_text")}, $hash_text);
 689                         $line =~ s/$hash_text/$link/;
 690                 }
 691         }
 692         return $line;
 693 }
 694
 695 sub date_str {
 696         my $epoch = shift;
 697         my $tz = shift || "-0000";
 698
 699         my %date;
 700         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 701         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 702         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 703         $date{'hour'} = $hour;
 704         $date{'minute'} = $min;
 705         $date{'mday'} = $mday;
 706         $date{'day'} = $days[$wday];
 707         $date{'month'} = $months[$mon];
 708         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 709         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 710
 711         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 712         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 713         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 714         $date{'hour_local'} = $hour;
 715         $date{'minute_local'} = $min;
 716         $date{'tz_local'} = $tz;
 717         return %date;
 718 }
 719
 720 # git-logo (cached in browser for one day)
 721 sub git_logo {
 722         binmode STDOUT, ':raw';
 723         print $cgi->header(-type => 'image/png', -expires => '+1d');
 724         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 725         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 726                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 727                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 728                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 729                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 730                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 731                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 732                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 733                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 734                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 735                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 736                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 737                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 738 }
 739
 740 sub get_file_owner {
 741         my $path = shift;
 742
 743         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 744         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 745         if (!defined $gcos) {
 746                 return undef;
 747         }
 748         my $owner = $gcos;
 749         $owner =~ s/[,;].*$//;
 750         return $owner;
 751 }
 752
 753 sub git_read_projects {
 754         my @list;
 755
 756         if (-d $projects_list) {
 757                 # search in directory
 758                 my $dir = $projects_list;
 759                 opendir my $dh, $dir or return undef;
 760                 while (my $dir = readdir($dh)) {
 761                         if (-e "$projectroot/$dir/HEAD") {
 762                                 my $pr = {
 763                                         path => $dir,
 764                                 };
 765                                 push @list, $pr
 766                         }
 767                 }
 768                 closedir($dh);
 769         } elsif (-f $projects_list) {
 770                 # read from file(url-encoded):
 771                 # 'git%2Fgit.git Linus+Torvalds'
 772                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 773                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 774                 open my $fd , $projects_list or return undef;
 775                 while (my $line = <$fd>) {
 776                         chomp $line;
 777                         my ($path, $owner) = split ' ', $line;
 778                         $path = unescape($path);
 779                         $owner = unescape($owner);
 780                         if (!defined $path) {
 781                                 next;
 782                         }
 783                         if (-e "$projectroot/$path/HEAD") {
 784                                 my $pr = {
 785                                         path => $path,
 786                                         owner => $owner,
 787                                 };
 788                                 push @list, $pr
 789                         }
 790                 }
 791                 close $fd;
 792         }
 793         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 794         return @list;
 795 }
 796
 797 sub git_project_list {
 798         my @list = git_read_projects();
 799         my @projects;
 800         if (!@list) {
 801                 die_error(undef, "No project found.");
 802         }
 803         foreach my $pr (@list) {
 804                 my $head = git_read_hash("$pr->{'path'}/HEAD");
 805                 if (!defined $head) {
 806                         next;
 807                 }
 808                 $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 809                 my %co = git_read_commit($head);
 810                 if (!%co) {
 811                         next;
 812                 }
 813                 $pr->{'commit'} = \%co;
 814                 if (!defined $pr->{'descr'}) {
 815                         my $descr = git_read_description($pr->{'path'}) || "";
 816                         $pr->{'descr'} = chop_str($descr, 25, 5);
 817                 }
 818                 if (!defined $pr->{'owner'}) {
 819                         $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 820                 }
 821                 push @projects, $pr;
 822         }
 823         git_header_html();
 824         if (-f $home_text) {
 825                 print "<div class=\"index_include\">\n";
 826                 open (my $fd, $home_text);
 827                 print <$fd>;
 828                 close $fd;
 829                 print "</div>\n";
 830         }
 831         print "<table cellspacing=\"0\">\n" .
 832               "<tr>\n";
 833         if (!defined($order) || (defined($order) && ($order eq "project"))) {
 834                 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 835                 print "<th>Project</th>\n";
 836         } else {
 837                 print "<th>" . $cgi->a({-class => "header", -href => esc_url("$my_uri?o=project")}, "Project") . "</th>\n";
 838         }
 839         if (defined($order) && ($order eq "descr")) {
 840                 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 841                 print "<th>Description</th>\n";
 842         } else {
 843                 print "<th>" . $cgi->a({-class => "header", -href => esc_url("$my_uri?o=descr")}, "Description") . "</th>\n";
 844         }
 845         if (defined($order) && ($order eq "owner")) {
 846                 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 847                 print "<th>Owner</th>\n";
 848         } else {
 849                 print "<th>" . $cgi->a({-class => "header", -href => esc_url("$my_uri?o=owner")}, "Owner") . "</th>\n";
 850         }
 851         if (defined($order) && ($order eq "age")) {
 852                 @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 853                 print "<th>Last Change</th>\n";
 854         } else {
 855                 print "<th>" . $cgi->a({-class => "header", -href => esc_url("$my_uri?o=age")}, "Last Change") . "</th>\n";
 856         }
 857         print "<th></th>\n" .
 858               "</tr>\n";
 859         my $alternate = 0;
 860         foreach my $pr (@projects) {
 861                 if ($alternate) {
 862                         print "<tr class=\"dark\">\n";
 863                 } else {
 864                         print "<tr class=\"light\">\n";
 865                 }
 866                 $alternate ^= 1;
 867                 print "<td>" . $cgi->a({-href => esc_url("$my_uri?p=$pr->{'path'};a=summary"), -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
 868                       "<td>$pr->{'descr'}</td>\n" .
 869                       "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 870                 my $colored_age;
 871                 if ($pr->{'commit'}{'age'} < 60*60*2) {
 872                         $colored_age = "<span style =\"color: #009900;\"><b><i>$pr->{'commit'}{'age_string'}</i></b></span>";
 873                 } elsif ($pr->{'commit'}{'age'} < 60*60*24*2) {
 874                         $colored_age = "<span style =\"color: #009900;\"><i>$pr->{'commit'}{'age_string'}</i></span>";
 875                 } else {
 876                         $colored_age = "<i>$pr->{'commit'}{'age_string'}</i>";
 877                 }
 878                 print "<td>$colored_age</td>\n" .
 879                       "<td class=\"link\">" .
 880                       $cgi->a({-href => esc_url("$my_uri?p=$pr->{'path'};a=summary")}, "summary") .
 881                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$pr->{'path'};a=shortlog")}, "shortlog") .
 882                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$pr->{'path'};a=log")}, "log") .
 883                       "</td>\n" .
 884                       "</tr>\n";
 885         }
 886         print "</table>\n";
 887         git_footer_html();
 888 }
 889
 890 sub git_read_refs {
 891         my $ref_dir = shift;
 892         my @reflist;
 893
 894         my @refs;
 895         opendir my $dh, "$projectroot/$project/$ref_dir";
 896         while (my $dir = readdir($dh)) {
 897                 if ($dir =~ m/^\./) {
 898                         next;
 899                 }
 900                 if (-d "$projectroot/$project/$ref_dir/$dir") {
 901                         opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 902                         my @subdirs = grep !m/^\./, readdir $dh2;
 903                         closedir($dh2);
 904                         foreach my $subdir (@subdirs) {
 905                                 push @refs, "$dir/$subdir"
 906                         }
 907                         next;
 908                 }
 909                 push @refs, $dir;
 910         }
 911         closedir($dh);
 912         foreach my $ref_file (@refs) {
 913                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 914                 my $type = git_get_type($ref_id) || next;
 915                 my %ref_item;
 916                 my %co;
 917                 $ref_item{'type'} = $type;
 918                 $ref_item{'id'} = $ref_id;
 919                 $ref_item{'epoch'} = 0;
 920                 $ref_item{'age'} = "unknown";
 921                 if ($type eq "tag") {
 922                         my %tag = git_read_tag($ref_id);
 923                         $ref_item{'comment'} = $tag{'comment'};
 924                         if ($tag{'type'} eq "commit") {
 925                                 %co = git_read_commit($tag{'object'});
 926                                 $ref_item{'epoch'} = $co{'committer_epoch'};
 927                                 $ref_item{'age'} = $co{'age_string'};
 928                         } elsif (defined($tag{'epoch'})) {
 929                                 my $age = time - $tag{'epoch'};
 930                                 $ref_item{'epoch'} = $tag{'epoch'};
 931                                 $ref_item{'age'} = age_string($age);
 932                         }
 933                         $ref_item{'reftype'} = $tag{'type'};
 934                         $ref_item{'name'} = $tag{'name'};
 935                         $ref_item{'refid'} = $tag{'object'};
 936                 } elsif ($type eq "commit"){
 937                         %co = git_read_commit($ref_id);
 938                         $ref_item{'reftype'} = "commit";
 939                         $ref_item{'name'} = $ref_file;
 940                         $ref_item{'title'} = $co{'title'};
 941                         $ref_item{'refid'} = $ref_id;
 942                         $ref_item{'epoch'} = $co{'committer_epoch'};
 943                         $ref_item{'age'} = $co{'age_string'};
 944                 }
 945
 946                 push @reflist, \%ref_item;
 947         }
 948         # sort tags by age
 949         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 950         return \@reflist;
 951 }
 952
 953 sub git_summary {
 954         my $descr = git_read_description($project) || "none";
 955         my $head = git_read_hash("$project/HEAD");
 956         my %co = git_read_commit($head);
 957         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 958
 959         my $owner;
 960         if (-f $projects_list) {
 961                 open (my $fd , $projects_list);
 962                 while (my $line = <$fd>) {
 963                         chomp $line;
 964                         my ($pr, $ow) = split ' ', $line;
 965                         $pr = unescape($pr);
 966                         $ow = unescape($ow);
 967                         if ($pr eq $project) {
 968                                 $owner = $ow;
 969                                 last;
 970                         }
 971                 }
 972                 close $fd;
 973         }
 974         if (!defined $owner) {
 975                 $owner = get_file_owner("$projectroot/$project");
 976         }
 977
 978         git_header_html();
 979         print "<div class=\"page_nav\">\n" .
 980               "summary".
 981               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
 982               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
 983               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$head")}, "commit") .
 984               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$head")}, "commitdiff") .
 985               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree")}, "tree") .
 986               "<br/><br/>\n" .
 987               "</div>\n";
 988         print "<div class=\"title\">&nbsp;</div>\n";
 989         print "<table cellspacing=\"0\">\n" .
 990               "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
 991               "<tr><td>owner</td><td>$owner</td></tr>\n" .
 992               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
 993               "</table>\n";
 994         open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
 995         my (@revlist) = map { chomp; $_ } <$fd>;
 996         close $fd;
 997         print "<div>\n" .
 998               $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog"), -class => "title"}, "shortlog") .
 999               "</div>\n";
1000         my $i = 16;
1001         print "<table cellspacing=\"0\">\n";
1002         my $alternate = 0;
1003         foreach my $commit (@revlist) {
1004                 my %co = git_read_commit($commit);
1005                 my %ad = date_str($co{'author_epoch'});
1006                 if ($alternate) {
1007                         print "<tr class=\"dark\">\n";
1008                 } else {
1009                         print "<tr class=\"light\">\n";
1010                 }
1011                 $alternate ^= 1;
1012                 if ($i-- > 0) {
1013                         print "<td><i>$co{'age_string'}</i></td>\n" .
1014                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1015                               "<td>";
1016                         if (length($co{'title_short'}) < length($co{'title'})) {
1017                                 print $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
1018                                       "<b>" . esc_html($co{'title_short'}) . "</b>");
1019                         } else {
1020                                 print $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "list"},
1021                                       "<b>" . esc_html($co{'title'}) . "</b>");
1022                         }
1023                         print "</td>\n" .
1024                               "<td class=\"link\">" .
1025                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit")}, "commit") .
1026                               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1027                               "</td>\n" .
1028                               "</tr>";
1029                 } else {
1030                         print "<td>" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "...") . "</td>\n" .
1031                         "</tr>";
1032                         last;
1033                 }
1034         }
1035         print "</table\n>";
1036
1037         my $taglist = git_read_refs("refs/tags");
1038         if (defined @$taglist) {
1039                 print "<div>\n" .
1040                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=tags"), -class => "title"}, "tags") .
1041                       "</div>\n";
1042                 my $i = 16;
1043                 print "<table cellspacing=\"0\">\n";
1044                 my $alternate = 0;
1045                 foreach my $entry (@$taglist) {
1046                         my %tag = %$entry;
1047                         my $comment_lines = $tag{'comment'};
1048                         my $comment = shift @$comment_lines;
1049                         if (defined($comment)) {
1050                                 $comment = chop_str($comment, 30, 5);
1051                         }
1052                         if ($alternate) {
1053                                 print "<tr class=\"dark\">\n";
1054                         } else {
1055                                 print "<tr class=\"light\">\n";
1056                         }
1057                         $alternate ^= 1;
1058                         if ($i-- > 0) {
1059                                 print "<td><i>$tag{'age'}</i></td>\n" .
1060                                       "<td>" .
1061                                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1062                                       "<b>" . esc_html($tag{'name'}) . "</b>") .
1063                                       "</td>\n" .
1064                                       "<td>";
1065                                 if (defined($comment)) {
1066                                       print $cgi->a({-class => "list", -href => esc_url("$my_uri?p=$project;a=tag;h=$tag{'id'}")}, $comment);
1067                                 }
1068                                 print "</td>\n" .
1069                                       "<td class=\"link\">";
1070                                 if ($tag{'type'} eq "tag") {
1071                                       print $cgi->a({-href => esc_url("$my_uri?p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1072                                 }
1073                                 print $cgi->a({-href => esc_url("$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1074                                 if ($tag{'reftype'} eq "commit") {
1075                                       print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1076                                             " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$tag{'refid'}")}, "log");
1077                                 }
1078                                 print "</td>\n" .
1079                                       "</tr>";
1080                         } else {
1081                                 print "<td>" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tags")}, "...") . "</td>\n" .
1082                                 "</tr>";
1083                                 last;
1084                         }
1085                 }
1086                 print "</table\n>";
1087         }
1088
1089         my $headlist = git_read_refs("refs/heads");
1090         if (defined @$headlist) {
1091                 print "<div>\n" .
1092                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=heads"), -class => "title"}, "heads") .
1093                       "</div>\n";
1094                 my $i = 16;
1095                 print "<table cellspacing=\"0\">\n";
1096                 my $alternate = 0;
1097                 foreach my $entry (@$headlist) {
1098                         my %tag = %$entry;
1099                         if ($alternate) {
1100                                 print "<tr class=\"dark\">\n";
1101                         } else {
1102                                 print "<tr class=\"light\">\n";
1103                         }
1104                         $alternate ^= 1;
1105                         if ($i-- > 0) {
1106                                 print "<td><i>$tag{'age'}</i></td>\n" .
1107                                       "<td>" .
1108                                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"},
1109                                       "<b>" . esc_html($tag{'name'}) . "</b>") .
1110                                       "</td>\n" .
1111                                       "<td class=\"link\">" .
1112                                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1113                                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$tag{'name'}")}, "log") .
1114                                       "</td>\n" .
1115                                       "</tr>";
1116                         } else {
1117                                 print "<td>" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=heads")}, "...") . "</td>\n" .
1118                                 "</tr>";
1119                                 last;
1120                         }
1121                 }
1122                 print "</table\n>";
1123         }
1124         git_footer_html();
1125 }
1126
1127 sub git_tag {
1128         my $head = git_read_hash("$project/HEAD");
1129         git_header_html();
1130         print "<div class=\"page_nav\">\n" .
1131               $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1132               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
1133               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
1134               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$head")}, "commit") .
1135               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1136               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1137               "<br/>\n" .
1138               "</div>\n";
1139         my %tag = git_read_tag($hash);
1140         print "<div>\n" .
1141               $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($tag{'name'})) . "\n" .
1142               "</div>\n";
1143         print "<div class=\"title_text\">\n" .
1144               "<table cellspacing=\"0\">\n" .
1145               "<tr>\n" .
1146               "<td>object</td>\n" .
1147               "<td>" . $cgi->a({-class => "list", -href => esc_url("$my_uri?p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1148               "<td class=\"link\">" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1149               "</tr>\n";
1150         if (defined($tag{'author'})) {
1151                 my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1152                 print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1153                 print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1154         }
1155         print "</table>\n\n" .
1156               "</div>\n";
1157         print "<div class=\"page_body\">";
1158         my $comment = $tag{'comment'};
1159         foreach my $line (@$comment) {
1160                 print esc_html($line) . "<br/>\n";
1161         }
1162         print "</div>\n";
1163         git_footer_html();
1164 }
1165
1166 sub git_tags {
1167         my $head = git_read_hash("$project/HEAD");
1168         git_header_html();
1169         print "<div class=\"page_nav\">\n" .
1170               $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1171               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
1172               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
1173               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$head")}, "commit") .
1174               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1175               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1176               "<br/>\n" .
1177               "</div>\n";
1178         my $taglist = git_read_refs("refs/tags");
1179         print "<div>\n" .
1180               $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1181               "</div>\n";
1182         print "<table cellspacing=\"0\">\n";
1183         my $alternate = 0;
1184         if (defined @$taglist) {
1185                 foreach my $entry (@$taglist) {
1186                         my %tag = %$entry;
1187                         my $comment_lines = $tag{'comment'};
1188                         my $comment = shift @$comment_lines;
1189                         if (defined($comment)) {
1190                                 $comment = chop_str($comment, 30, 5);
1191                         }
1192                         if ($alternate) {
1193                                 print "<tr class=\"dark\">\n";
1194                         } else {
1195                                 print "<tr class=\"light\">\n";
1196                         }
1197                         $alternate ^= 1;
1198                         print "<td><i>$tag{'age'}</i></td>\n" .
1199                               "<td>" .
1200                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1201                               "<b>" . esc_html($tag{'name'}) . "</b>") .
1202                               "</td>\n" .
1203                               "<td>";
1204                         if (defined($comment)) {
1205                               print $cgi->a({-class => "list", -href => esc_url("$my_uri?p=$project;a=tag;h=$tag{'id'}")}, $comment);
1206                         }
1207                         print "</td>\n" .
1208                               "<td class=\"link\">";
1209                         if ($tag{'type'} eq "tag") {
1210                               print $cgi->a({-href => esc_url("$my_uri?p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1211                         }
1212                         print $cgi->a({-href => esc_url("$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1213                         if ($tag{'reftype'} eq "commit") {
1214                               print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1215                                     " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$tag{'refid'}")}, "log");
1216                         }
1217                         print "</td>\n" .
1218                               "</tr>";
1219                 }
1220         }
1221         print "</table\n>";
1222         git_footer_html();
1223 }
1224
1225 sub git_heads {
1226         my $head = git_read_hash("$project/HEAD");
1227         git_header_html();
1228         print "<div class=\"page_nav\">\n" .
1229               $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1230               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
1231               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
1232               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$head")}, "commit") .
1233               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1234               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1235               "<br/>\n" .
1236               "</div>\n";
1237         my $taglist = git_read_refs("refs/heads");
1238         print "<div>\n" .
1239               $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1240               "</div>\n";
1241         print "<table cellspacing=\"0\">\n";
1242         my $alternate = 0;
1243         if (defined @$taglist) {
1244                 foreach my $entry (@$taglist) {
1245                         my %tag = %$entry;
1246                         if ($alternate) {
1247                                 print "<tr class=\"dark\">\n";
1248                         } else {
1249                                 print "<tr class=\"light\">\n";
1250                         }
1251                         $alternate ^= 1;
1252                         print "<td><i>$tag{'age'}</i></td>\n" .
1253                               "<td>" .
1254                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1255                               "</td>\n" .
1256                               "<td class=\"link\">" .
1257                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1258                               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$tag{'name'}")}, "log") .
1259                               "</td>\n" .
1260                               "</tr>";
1261                 }
1262         }
1263         print "</table\n>";
1264         git_footer_html();
1265 }
1266
1267 sub git_get_hash_by_path {
1268         my $base = shift;
1269         my $path = shift || return undef;
1270
1271         my $tree = $base;
1272         my @parts = split '/', $path;
1273         while (my $part = shift @parts) {
1274                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1275                 my (@entries) = map { chomp; $_ } <$fd>;
1276                 close $fd or return undef;
1277                 foreach my $line (@entries) {
1278                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1279                         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1280                         my $t_mode = $1;
1281                         my $t_type = $2;
1282                         my $t_hash = $3;
1283                         my $t_name = $4;
1284                         if ($t_name eq $part) {
1285                                 if (!(@parts)) {
1286                                         return $t_hash;
1287                                 }
1288                                 if ($t_type eq "tree") {
1289                                         $tree = $t_hash;
1290                                 }
1291                                 last;
1292                         }
1293                 }
1294         }
1295 }
1296
1297 sub git_blob {
1298         if (!defined $hash && defined $file_name) {
1299                 my $base = $hash_base || git_read_hash("$project/HEAD");
1300                 $hash = git_get_hash_by_path($base, $file_name, "blob");
1301         }
1302         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1303         git_header_html();
1304         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1305                 print "<div class=\"page_nav\">\n" .
1306                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1307                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
1308                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
1309                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base")}, "commit") .
1310                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1311                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1312                 if (defined $file_name) {
1313                         print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1314                         " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;hb=HEAD;f=$file_name")}, "head") . "<br/>\n";
1315                 } else {
1316                         print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
1317                 }
1318                 print "</div>\n".
1319                        "<div>" .
1320                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1321                       "</div>\n";
1322         } else {
1323                 print "<div class=\"page_nav\">\n" .
1324                       "<br/><br/></div>\n" .
1325                       "<div class=\"title\">$hash</div>\n";
1326         }
1327         if (defined $file_name) {
1328                 print "<div class=\"page_path\"><b>$file_name</b></div>\n";
1329         }
1330         print "<div class=\"page_body\">\n";
1331         my $nr;
1332         while (my $line = <$fd>) {
1333                 chomp $line;
1334                 $nr++;
1335                 while ((my $pos = index($line, "\t")) != -1) {
1336                         if (my $count = (8 - ($pos % 8))) {
1337                                 my $spaces = ' ' x $count;
1338                                 $line =~ s/\t/$spaces/;
1339                         }
1340                 }
1341                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1342         }
1343         close $fd or print "Reading blob failed.\n";
1344         print "</div>";
1345         git_footer_html();
1346 }
1347
1348 sub git_blob_plain {
1349         my $save_as = "$hash.txt";
1350         if (defined $file_name) {
1351                 $save_as = $file_name;
1352         }
1353         print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"$save_as\"");
1354         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1355         undef $/;
1356         print <$fd>;
1357         $/ = "\n";
1358         close $fd;
1359 }
1360
1361 sub git_tree {
1362         if (!defined $hash) {
1363                 $hash = git_read_hash("$project/HEAD");
1364                 if (defined $file_name) {
1365                         my $base = $hash_base || git_read_hash("$project/HEAD");
1366                         $hash = git_get_hash_by_path($base, $file_name, "tree");
1367                 }
1368                 if (!defined $hash_base) {
1369                         $hash_base = git_read_hash("$project/HEAD");
1370                 }
1371         }
1372         open my $fd, "-|", "$gitbin/git-ls-tree $hash" or die_error(undef, "Open git-ls-tree failed.");
1373         my (@entries) = map { chomp; $_ } <$fd>;
1374         close $fd or die_error(undef, "Reading tree failed.");
1375
1376         git_header_html();
1377         my $base_key = "";
1378         my $file_key = "";
1379         my $base = "";
1380         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1381                 $base_key = ";hb=$hash_base";
1382                 print "<div class=\"page_nav\">\n" .
1383                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1384                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash_base")}, "shortlog") .
1385                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash_base")}, "log") .
1386                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base")}, "commit") .
1387                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1388                       " | tree" .
1389                       "<br/><br/>\n" .
1390                       "</div>\n";
1391                 print "<div>\n" .
1392                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1393                       "</div>\n";
1394         } else {
1395                 print "<div class=\"page_nav\">\n";
1396                 print "<br/><br/></div>\n";
1397                 print "<div class=\"title\">$hash</div>\n";
1398         }
1399         if (defined $file_name) {
1400                 $base = "$file_name/";
1401                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1402         } else {
1403                 print "<div class=\"page_path\"><b>/</b></div>\n";
1404         }
1405         print "<div class=\"page_body\">\n";
1406         print "<table cellspacing=\"0\">\n";
1407         my $alternate = 0;
1408         foreach my $line (@entries) {
1409                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1410                 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1411                 my $t_mode = $1;
1412                 my $t_type = $2;
1413                 my $t_hash = $3;
1414                 my $t_name = $4;
1415                 $file_key = ";f=$base$t_name";
1416                 if ($alternate) {
1417                         print "<tr class=\"dark\">\n";
1418                 } else {
1419                         print "<tr class=\"light\">\n";
1420                 }
1421                 $alternate ^= 1;
1422                 print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
1423                 if ($t_type eq "blob") {
1424                         print "<td class=\"list\">" .
1425                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key), -class => "list"}, $t_name) .
1426                               "</td>\n" .
1427                               "<td class=\"link\">" .
1428                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key)}, "blob") .
1429                               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=history;h=$hash_base" . $file_key)}, "history") .
1430                               "</td>\n";
1431                 } elsif ($t_type eq "tree") {
1432                         print "<td class=\"list\">" .
1433                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key)}, $t_name) .
1434                               "</td>\n" .
1435                               "<td class=\"link\">" .
1436                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key)}, "tree") .
1437                               "</td>\n";
1438                 }
1439                 print "</tr>\n";
1440         }
1441         print "</table>\n" .
1442               "</div>";
1443         git_footer_html();
1444 }
1445
1446 sub git_rss {
1447         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1448         open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
1449         my (@revlist) = map { chomp; $_ } <$fd>;
1450         close $fd or die_error(undef, "Reading rev-list failed.");
1451         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1452         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1453               "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1454         print "<channel>\n";
1455         print "<title>$project</title>\n".
1456               "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
1457               "<description>$project log</description>\n".
1458               "<language>en</language>\n";
1459
1460         for (my $i = 0; $i <= $#revlist; $i++) {
1461                 my $commit = $revlist[$i];
1462                 my %co = git_read_commit($commit);
1463                 # we read 150, we always show 30 and the ones more recent than 48 hours
1464                 if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1465                         last;
1466                 }
1467                 my %cd = date_str($co{'committer_epoch'});
1468                 open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
1469                 my @difftree = map { chomp; $_ } <$fd>;
1470                 close $fd or next;
1471                 print "<item>\n" .
1472                       "<title>" .
1473                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
1474                       "</title>\n" .
1475                       "<author>" . esc_html($co{'author'}) . "</author>\n" .
1476                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1477                       "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1478                       "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1479                       "<description>" . esc_html($co{'title'}) . "</description>\n" .
1480                       "<content:encoded>" .
1481                       "<![CDATA[\n";
1482                 my $comment = $co{'comment'};
1483                 foreach my $line (@$comment) {
1484                         $line = decode("utf8", $line, Encode::FB_DEFAULT);
1485                         print "$line<br/>\n";
1486                 }
1487                 print "<br/>\n";
1488                 foreach my $line (@difftree) {
1489                         if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1490                                 next;
1491                         }
1492                         my $file = $7;
1493                         print "$file<br/>\n";
1494                 }
1495                 print "]]>\n" .
1496                       "</content:encoded>\n" .
1497                       "</item>\n";
1498         }
1499         print "</channel></rss>";
1500 }
1501
1502 sub git_opml {
1503         my @list = git_read_projects();
1504
1505         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1506         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1507               "<opml version=\"1.0\">\n".
1508               "<head>".
1509               "  <title>Git OPML Export</title>\n".
1510               "</head>\n".
1511               "<body>\n".
1512               "<outline text=\"git RSS feeds\">\n";
1513
1514         foreach my $pr (@list) {
1515                 my %proj = %$pr;
1516                 my $head = git_read_hash("$proj{'path'}/HEAD");
1517                 if (!defined $head) {
1518                         next;
1519                 }
1520                 $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1521                 my %co = git_read_commit($head);
1522                 if (!%co) {
1523                         next;
1524                 }
1525
1526                 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
1527                 my $rss =  "$my_url?p=$proj{'path'};a=rss";
1528                 my $html =  "$my_url?p=$proj{'path'};a=summary";
1529                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1530         }
1531         print "</outline>\n".
1532               "</body>\n".
1533               "</opml>\n";
1534 }
1535
1536 sub git_log {
1537         my $head = git_read_hash("$project/HEAD");
1538         if (!defined $hash) {
1539                 $hash = $head;
1540         }
1541         if (!defined $page) {
1542                 $page = 0;
1543         }
1544         git_header_html();
1545         print "<div class=\"page_nav\">\n";
1546         print $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1547               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash")}, "shortlog") .
1548               " | log" .
1549               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash")}, "commit") .
1550               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
1551               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
1552
1553         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1554         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1555         my (@revlist) = map { chomp; $_ } <$fd>;
1556         close $fd;
1557
1558         if ($hash ne $head || $page) {
1559                 print $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "HEAD");
1560         } else {
1561                 print "HEAD";
1562         }
1563         if ($page > 0) {
1564                 print " &sdot; " .
1565                 $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
1566         } else {
1567                 print " &sdot; prev";
1568         }
1569         if ($#revlist >= (100 * ($page+1)-1)) {
1570                 print " &sdot; " .
1571                 $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
1572         } else {
1573                 print " &sdot; next";
1574         }
1575         print "<br/>\n" .
1576               "</div>\n";
1577         if (!@revlist) {
1578                 print "<div>\n" .
1579                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1580                       "</div>\n";
1581                 my %co = git_read_commit($hash);
1582                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1583         }
1584         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1585                 my $commit = $revlist[$i];
1586                 my %co = git_read_commit($commit);
1587                 next if !%co;
1588                 my %ad = date_str($co{'author_epoch'});
1589                 print "<div>\n" .
1590                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "title"},
1591                       "<span class=\"age\">$co{'age_string'}</span>" . esc_html($co{'title'})) . "\n" .
1592                       "</div>\n";
1593                 print "<div class=\"title_text\">\n" .
1594                       "<div class=\"log_link\">\n" .
1595                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit")}, "commit") .
1596                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1597                       "<br/>\n" .
1598                       "</div>\n" .
1599                       "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1600                       "</div>\n" .
1601                       "<div class=\"log_body\">\n";
1602                 my $comment = $co{'comment'};
1603                 my $empty = 0;
1604                 foreach my $line (@$comment) {
1605                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1606                                 next;
1607                         }
1608                         if ($line eq "") {
1609                                 if ($empty) {
1610                                         next;
1611                                 }
1612                                 $empty = 1;
1613                         } else {
1614                                 $empty = 0;
1615                         }
1616                         print format_log_line_html($line) . "<br/>\n";
1617                 }
1618                 if (!$empty) {
1619                         print "<br/>\n";
1620                 }
1621                 print "</div>\n";
1622         }
1623         git_footer_html();
1624 }
1625
1626 sub git_commit {
1627         my %co = git_read_commit($hash);
1628         if (!%co) {
1629                 die_error(undef, "Unknown commit object.");
1630         }
1631         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1632         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1633
1634         my @difftree;
1635         my $root = "";
1636         my $parent = $co{'parent'};
1637         if (!defined $parent) {
1638                 $root = " --root";
1639                 $parent = "";
1640         }
1641         open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1642         @difftree = map { chomp; $_ } <$fd>;
1643         close $fd or die_error(undef, "Reading diff-tree failed.");
1644
1645         # non-textual hash id's can be cached
1646         my $expires;
1647         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1648                 $expires = "+1d";
1649         }
1650         git_header_html(undef, $expires);
1651         print "<div class=\"page_nav\">\n" .
1652               $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1653               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash")}, "shortlog") .
1654               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash")}, "log") .
1655               " | commit";
1656         if (defined $co{'parent'}) {
1657                 print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash")}, "commitdiff");
1658         }
1659         print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "\n" .
1660               "<br/><br/></div>\n";
1661         if (defined $co{'parent'}) {
1662                 print "<div>\n" .
1663                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1664                       "</div>\n";
1665         } else {
1666                 print "<div>\n" .
1667                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1668                       "</div>\n";
1669         }
1670         print "<div class=\"title_text\">\n" .
1671               "<table cellspacing=\"0\">\n";
1672         print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
1673               "<tr>" .
1674               "<td></td><td> $ad{'rfc2822'}";
1675         if ($ad{'hour_local'} < 6) {
1676                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1677         } else {
1678                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1679         }
1680         print "</td>" .
1681               "</tr>\n";
1682         print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
1683         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1684         print "<tr><td>commit</td><td style=\"font-family:monospace\">$co{'id'}</td></tr>\n";
1685         print "<tr>" .
1686               "<td>tree</td>" .
1687               "<td style=\"font-family:monospace\">" .
1688               $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
1689               "</td>" .
1690               "<td class=\"link\">" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
1691               "</td>" .
1692               "</tr>\n";
1693         my $parents  = $co{'parents'};
1694         foreach my $par (@$parents) {
1695                 print "<tr>" .
1696                       "<td>parent</td>" .
1697                       "<td style=\"font-family:monospace\">" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
1698                       "<td class=\"link\">" .
1699                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$par")}, "commit") .
1700                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
1701                       "</td>" .
1702                       "</tr>\n";
1703         }
1704         print "</table>".
1705               "</div>\n";
1706         print "<div class=\"page_body\">\n";
1707         my $comment = $co{'comment'};
1708         my $empty = 0;
1709         my $signed = 0;
1710         foreach my $line (@$comment) {
1711                 # print only one empty line
1712                 if ($line eq "") {
1713                         if ($empty || $signed) {
1714                                 next;
1715                         }
1716                         $empty = 1;
1717                 } else {
1718                         $empty = 0;
1719                 }
1720                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1721                         $signed = 1;
1722                         print "<span style=\"color: #888888\">" . esc_html($line) . "</span><br/>\n";
1723                 } else {
1724                         $signed = 0;
1725                         print format_log_line_html($line) . "<br/>\n";
1726                 }
1727         }
1728         print "</div>\n";
1729         print "<div class=\"list_head\">\n";
1730         if ($#difftree > 10) {
1731                 print(($#difftree + 1) . " files changed:\n");
1732         }
1733         print "</div>\n";
1734         print "<table cellspacing=\"0\">\n";
1735         my $alternate = 0;
1736         foreach my $line (@difftree) {
1737                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1738                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1739                 if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1740                         next;
1741                 }
1742                 my $from_mode = $1;
1743                 my $to_mode = $2;
1744                 my $from_id = $3;
1745                 my $to_id = $4;
1746                 my $status = $5;
1747                 my $similarity = $6;
1748                 my $file = $7;
1749                 if ($alternate) {
1750                         print "<tr class=\"dark\">\n";
1751                 } else {
1752                         print "<tr class=\"light\">\n";
1753                 }
1754                 $alternate ^= 1;
1755                 if ($status eq "A") {
1756                         my $mode_chng = "";
1757                         if (S_ISREG(oct $to_mode)) {
1758                                 $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
1759                         }
1760                         print "<td>" .
1761                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
1762                               "<td><span style=\"color: #008000;\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
1763                               "<td class=\"link\">" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
1764                 } elsif ($status eq "D") {
1765                         print "<td>" .
1766                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
1767                               "<td><span style=\"color: #c00000;\">[deleted " . file_type($from_mode). "]</span></td>\n" .
1768                               "<td class=\"link\">" .
1769                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
1770                               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=history;h=$hash;f=$file")}, "history") .
1771                               "</td>\n"
1772                 } elsif ($status eq "M" || $status eq "T") {
1773                         my $mode_chnge = "";
1774                         if ($from_mode != $to_mode) {
1775                                 $mode_chnge = " <span style=\"color: #777777;\">[changed";
1776                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1777                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1778                                 }
1779                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1780                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1781                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1782                                         } elsif (S_ISREG($to_mode)) {
1783                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1784                                         }
1785                                 }
1786                                 $mode_chnge .= "]</span>\n";
1787                         }
1788                         print "<td>";
1789                         if ($to_id ne $from_id) {
1790                                 print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
1791                         } else {
1792                                 print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
1793                         }
1794                         print "</td>\n" .
1795                               "<td>$mode_chnge</td>\n" .
1796                               "<td class=\"link\">";
1797                         print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
1798                         if ($to_id ne $from_id) {
1799                                 print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
1800                         }
1801                         print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=history;h=$hash;f=$file")}, "history") . "\n";
1802                         print "</td>\n";
1803                 } elsif ($status eq "R") {
1804                         my ($from_file, $to_file) = split "\t", $file;
1805                         my $mode_chng = "";
1806                         if ($from_mode != $to_mode) {
1807                                 $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
1808                         }
1809                         print "<td>" .
1810                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
1811                               "<td><span style=\"color: #777777;\">[moved from " .
1812                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
1813                               " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
1814                               "<td class=\"link\">" .
1815                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
1816                         if ($to_id ne $from_id) {
1817                                 print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
1818                         }
1819                         print "</td>\n";
1820                 }
1821                 print "</tr>\n";
1822         }
1823         print "</table>\n";
1824         git_footer_html();
1825 }
1826
1827 sub git_blobdiff {
1828         mkdir($git_temp, 0700);
1829         git_header_html();
1830         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1831                 print "<div class=\"page_nav\">\n" .
1832                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1833                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
1834                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
1835                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base")}, "commit") .
1836                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1837                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") .
1838                       "<br/>\n";
1839                 print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain") .
1840                       "</div>\n";
1841                 print "<div>\n" .
1842                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1843                       "</div>\n";
1844         } else {
1845                 print "<div class=\"page_nav\">\n" .
1846                       "<br/><br/></div>\n" .
1847                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1848         }
1849         if (defined $file_name) {
1850                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1851         }
1852         print "<div class=\"page_body\">\n" .
1853               "<div class=\"diff_info\">blob:" .
1854               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
1855               " -> blob:" .
1856               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
1857               "</div>\n";
1858         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1859         print "</div>";
1860         git_footer_html();
1861 }
1862
1863 sub git_blobdiff_plain {
1864         mkdir($git_temp, 0700);
1865         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1866         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
1867 }
1868
1869 sub git_commitdiff {
1870         mkdir($git_temp, 0700);
1871         my %co = git_read_commit($hash);
1872         if (!%co) {
1873                 die_error(undef, "Unknown commit object.");
1874         }
1875         if (!defined $hash_parent) {
1876                 $hash_parent = $co{'parent'};
1877         }
1878         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1879         my (@difftree) = map { chomp; $_ } <$fd>;
1880         close $fd or die_error(undef, "Reading diff-tree failed.");
1881
1882         # non-textual hash id's can be cached
1883         my $expires;
1884         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1885                 $expires = "+1d";
1886         }
1887         git_header_html(undef, $expires);
1888         print "<div class=\"page_nav\">\n" .
1889               $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1890               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash")}, "shortlog") .
1891               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash")}, "log") .
1892               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash")}, "commit") .
1893               " | commitdiff" .
1894               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "<br/>\n";
1895         print $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain") . "\n" .
1896               "</div>\n";
1897         print "<div>\n" .
1898               $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1899               "</div>\n";
1900         print "<div class=\"page_body\">\n";
1901         my $comment = $co{'comment'};
1902         my $empty = 0;
1903         my $signed = 0;
1904         my @log = @$comment;
1905         # remove first and empty lines after that
1906         shift @log;
1907         while (defined $log[0] && $log[0] eq "") {
1908                 shift @log;
1909         }
1910         foreach my $line (@log) {
1911                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1912                         next;
1913                 }
1914                 if ($line eq "") {
1915                         if ($empty) {
1916                                 next;
1917                         }
1918                         $empty = 1;
1919                 } else {
1920                         $empty = 0;
1921                 }
1922                 print format_log_line_html($line) . "<br/>\n";
1923         }
1924         print "<br/>\n";
1925         foreach my $line (@difftree) {
1926                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1927                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1928                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1929                 my $from_mode = $1;
1930                 my $to_mode = $2;
1931                 my $from_id = $3;
1932                 my $to_id = $4;
1933                 my $status = $5;
1934                 my $file = $6;
1935                 if ($status eq "A") {
1936                         print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
1937                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
1938                               "</div>\n";
1939                         git_diff_print(undef, "/dev/null", $to_id, "b/$file");
1940                 } elsif ($status eq "D") {
1941                         print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
1942                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
1943                               "</div>\n";
1944                         git_diff_print($from_id, "a/$file", undef, "/dev/null");
1945                 } elsif ($status eq "M") {
1946                         if ($from_id ne $to_id) {
1947                                 print "<div class=\"diff_info\">" .
1948                                       file_type($from_mode) . ":" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
1949                                       " -> " .
1950                                       file_type($to_mode) . ":" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
1951                                 print "</div>\n";
1952                                 git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
1953                         }
1954                 }
1955         }
1956         print "<br/>\n" .
1957               "</div>";
1958         git_footer_html();
1959 }
1960
1961 sub git_commitdiff_plain {
1962         mkdir($git_temp, 0700);
1963         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1964         my (@difftree) = map { chomp; $_ } <$fd>;
1965         close $fd or die_error(undef, "Reading diff-tree failed.");
1966
1967         # try to figure out the next tag after this commit
1968         my $tagname;
1969         my %taghash;
1970         my $tags = git_read_refs("refs/tags");
1971         foreach my $entry (@$tags) {
1972                 my %tag = %$entry;
1973                 $taghash{$tag{'refid'}} = $tag{'name'};
1974         }
1975         open $fd, "-|", "$gitbin/git-rev-list HEAD";
1976         while (my $commit = <$fd>) {
1977                 chomp $commit;
1978                 if ($taghash{$commit}) {
1979                         $tagname = $taghash{$commit};
1980                 }
1981                 if ($commit eq $hash) {
1982                         last;
1983                 }
1984         }
1985         close $fd;
1986
1987         print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
1988         my %co = git_read_commit($hash);
1989         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1990         my $comment = $co{'comment'};
1991         print "From: $co{'author'}\n" .
1992               "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
1993               "Subject: $co{'title'}\n";
1994         if (defined $tagname) {
1995               print "X-Git-Tag: $tagname\n";
1996         }
1997         print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
1998               "\n";
1999
2000         foreach my $line (@$comment) {;
2001                 print "  $line\n";
2002         }
2003         print "---\n\n";
2004
2005         foreach my $line (@difftree) {
2006                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2007                 my $from_id = $3;
2008                 my $to_id = $4;
2009                 my $status = $5;
2010                 my $file = $6;
2011                 if ($status eq "A") {
2012                         git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2013                 } elsif ($status eq "D") {
2014                         git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2015                 } elsif ($status eq "M") {
2016                         git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2017                 }
2018         }
2019 }
2020
2021 sub git_history {
2022         if (!defined $hash) {
2023                 $hash = git_read_hash("$project/HEAD");
2024         }
2025         my %co = git_read_commit($hash);
2026         if (!%co) {
2027                 die_error(undef, "Unknown commit object.");
2028         }
2029         git_header_html();
2030         print "<div class=\"page_nav\">\n" .
2031               $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
2032               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
2033               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
2034               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash")}, "commit") .
2035               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2036               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2037               "<br/><br/>\n" .
2038               "</div>\n";
2039         print "<div>\n" .
2040               $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2041               "</div>\n";
2042         print "<div class=\"page_path\"><b>/$file_name</b><br/></div>\n";
2043
2044         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin \'$file_name\'";
2045         my $commit;
2046         print "<table cellspacing=\"0\">\n";
2047         my $alternate = 0;
2048         while (my $line = <$fd>) {
2049                 if ($line =~ m/^([0-9a-fA-F]{40})/){
2050                         $commit = $1;
2051                         next;
2052                 }
2053                 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
2054                         my %co = git_read_commit($commit);
2055                         if (!%co) {
2056                                 next;
2057                         }
2058                         if ($alternate) {
2059                                 print "<tr class=\"dark\">\n";
2060                         } else {
2061                                 print "<tr class=\"light\">\n";
2062                         }
2063                         $alternate ^= 1;
2064                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2065                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2066                               "<td>" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2067                               esc_html(chop_str($co{'title'}, 50)) . "</b>") . "</td>\n" .
2068                               "<td class=\"link\">" .
2069                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit")}, "commit") .
2070                               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2071                               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;hb=$commit;f=$file_name")}, "blob");
2072                         my $blob = git_get_hash_by_path($hash, $file_name);
2073                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
2074                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2075                                 print " | " .
2076                                 $cgi->a({-href => esc_url("$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2077                                 "diff to current");
2078                         }
2079                         print "</td>\n" .
2080                               "</tr>\n";
2081                         undef $commit;
2082                 }
2083         }
2084         print "</table>\n";
2085         close $fd;
2086         git_footer_html();
2087 }
2088
2089 sub git_search {
2090         if (!defined $searchtext) {
2091                 die_error("", "Text field empty.");
2092         }
2093         if (!defined $hash) {
2094                 $hash = git_read_hash("$project/HEAD");
2095         }
2096         my %co = git_read_commit($hash);
2097         if (!%co) {
2098                 die_error(undef, "Unknown commit object.");
2099         }
2100         # pickaxe may take all resources of your box and run for several minutes
2101         # with every query - so decide by yourself how public you make this feature :)
2102         my $commit_search = 1;
2103         my $author_search = 0;
2104         my $committer_search = 0;
2105         my $pickaxe_search = 0;
2106         if ($searchtext =~ s/^author\\://i) {
2107                 $author_search = 1;
2108         } elsif ($searchtext =~ s/^committer\\://i) {
2109                 $committer_search = 1;
2110         } elsif ($searchtext =~ s/^pickaxe\\://i) {
2111                 $commit_search = 0;
2112                 $pickaxe_search = 1;
2113         }
2114         git_header_html();
2115         print "<div class=\"page_nav\">\n" .
2116               $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary;h=$hash")}, "summary") .
2117               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
2118               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash")}, "log") .
2119               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash")}, "commit") .
2120               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2121               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2122               "<br/><br/>\n" .
2123               "</div>\n";
2124
2125         print "<div>\n" .
2126               $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2127               "</div>\n";
2128         print "<table cellspacing=\"0\">\n";
2129         my $alternate = 0;
2130         if ($commit_search) {
2131                 $/ = "\0";
2132                 open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
2133                 while (my $commit_text = <$fd>) {
2134                         if (!grep m/$searchtext/i, $commit_text) {
2135                                 next;
2136                         }
2137                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2138                                 next;
2139                         }
2140                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2141                                 next;
2142                         }
2143                         my @commit_lines = split "\n", $commit_text;
2144                         my %co = git_read_commit(undef, \@commit_lines);
2145                         if (!%co) {
2146                                 next;
2147                         }
2148                         if ($alternate) {
2149                                 print "<tr class=\"dark\">\n";
2150                         } else {
2151                                 print "<tr class=\"light\">\n";
2152                         }
2153                         $alternate ^= 1;
2154                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2155                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2156                               "<td>" .
2157                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2158                         my $comment = $co{'comment'};
2159                         foreach my $line (@$comment) {
2160                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2161                                         my $lead = esc_html($1) || "";
2162                                         $lead = chop_str($lead, 30, 10);
2163                                         my $match = esc_html($2) || "";
2164                                         my $trail = esc_html($3) || "";
2165                                         $trail = chop_str($trail, 30, 10);
2166                                         my $text = "$lead<span style=\"color:#e00000\">$match</span>$trail";
2167                                         print chop_str($text, 80, 5) . "<br/>\n";
2168                                 }
2169                         }
2170                         print "</td>\n" .
2171                               "<td class=\"link\">" .
2172                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$co{'id'}")}, "commit") .
2173                               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2174                         print "</td>\n" .
2175                               "</tr>\n";
2176                 }
2177                 close $fd;
2178         }
2179
2180         if ($pickaxe_search) {
2181                 $/ = "\n";
2182                 open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S\'$searchtext\'";
2183                 undef %co;
2184                 my @files;
2185                 while (my $line = <$fd>) {
2186                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2187                                 my %set;
2188                                 $set{'file'} = $6;
2189                                 $set{'from_id'} = $3;
2190                                 $set{'to_id'} = $4;
2191                                 $set{'id'} = $set{'to_id'};
2192                                 if ($set{'id'} =~ m/0{40}/) {
2193                                         $set{'id'} = $set{'from_id'};
2194                                 }
2195                                 if ($set{'id'} =~ m/0{40}/) {
2196                                         next;
2197                                 }
2198                                 push @files, \%set;
2199                         } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2200                                 if (%co) {
2201                                         if ($alternate) {
2202                                                 print "<tr class=\"dark\">\n";
2203                                         } else {
2204                                                 print "<tr class=\"light\">\n";
2205                                         }
2206                                         $alternate ^= 1;
2207                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2208                                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2209                                               "<td>" .
2210                                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2211                                               esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2212                                         while (my $setref = shift @files) {
2213                                                 my %set = %$setref;
2214                                                 print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2215                                                       "<span style=\"color:#e00000\">" . esc_html($set{'file'}) . "</span>") .
2216                                                       "<br/>\n";
2217                                         }
2218                                         print "</td>\n" .
2219                                               "<td class=\"link\">" .
2220                                               $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$co{'id'}")}, "commit") .
2221                                               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2222                                         print "</td>\n" .
2223                                               "</tr>\n";
2224                                 }
2225                                 %co = git_read_commit($1);
2226                         }
2227                 }
2228                 close $fd;
2229         }
2230         print "</table>\n";
2231         git_footer_html();
2232 }
2233
2234 sub git_shortlog {
2235         my $head = git_read_hash("$project/HEAD");
2236         if (!defined $hash) {
2237                 $hash = $head;
2238         }
2239         if (!defined $page) {
2240                 $page = 0;
2241         }
2242         git_header_html();
2243         print "<div class=\"page_nav\">\n" .
2244               $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
2245               " | shortlog" .
2246               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash")}, "log") .
2247               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash")}, "commit") .
2248               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2249               " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
2250
2251         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2252         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2253         my (@revlist) = map { chomp; $_ } <$fd>;
2254         close $fd;
2255
2256         if ($hash ne $head || $page) {
2257                 print $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "HEAD");
2258         } else {
2259                 print "HEAD";
2260         }
2261         if ($page > 0) {
2262                 print " &sdot; " .
2263                 $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
2264         } else {
2265                 print " &sdot; prev";
2266         }
2267         if ($#revlist >= (100 * ($page+1)-1)) {
2268                 print " &sdot; " .
2269                 $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
2270         } else {
2271                 print " &sdot; next";
2272         }
2273         print "<br/>\n" .
2274               "</div>\n";
2275         print "<div>\n" .
2276               $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary"), -class => "title"}, "&nbsp;") .
2277               "</div>\n";
2278         print "<table cellspacing=\"0\">\n";
2279         my $alternate = 0;
2280         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2281                 my $commit = $revlist[$i];
2282                 my %co = git_read_commit($commit);
2283                 my %ad = date_str($co{'author_epoch'});
2284                 if ($alternate) {
2285                         print "<tr class=\"dark\">\n";
2286                 } else {
2287                         print "<tr class=\"light\">\n";
2288                 }
2289                 $alternate ^= 1;
2290                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2291                       "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2292                       "<td>";
2293                 if (length($co{'title_short'}) < length($co{'title'})) {
2294                         print $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
2295                               "<b>" . esc_html($co{'title_short'}) . "</b>");
2296                 } else {
2297                         print $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "list"},
2298                               "<b>" . esc_html($co{'title_short'}) . "</b>");
2299                 }
2300                 print "</td>\n" .
2301                       "<td class=\"link\">" .
2302                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit")}, "commit") .
2303                       " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2304                       "</td>\n" .
2305                       "</tr>";
2306         }
2307         if ($#revlist >= (100 * ($page+1)-1)) {
2308                 print "<tr>\n" .
2309                       "<td>" .
2310                       $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -title => "Alt-n"}, "next") .
2311                       "</td>\n" .
2312                       "</tr>\n";
2313         }
2314         print "</table\n>";
2315         git_footer_html();
2316 }